Home / 57,128.23-85,709.85-25,564.87

Finding the Fourth Proportional to 57,128.23, 85,709.85 and 25,564.87

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Solution

The fourth proportional to 57,128.23, 85,709.85 and 25,564.87 is: 38,355.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,128.23 : 85,709.85 = 25,564.87 : x
  2. Step 2: Convert to fraction form
    57,128.23/85,709.85 = 25,564.87/x
  3. Step 3: Cross multiply
    57,128.23x = 85,709.85 × 25,564.87
  4. Step 4: Simplify right side
    57,128.23x = 2,191,161,172.97
  5. Step 5: Solve for x
    x = 2,191,161,172.97/57,128.23
  6. Step 6: Final answer
    x = 38,355.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.